@keyframes ant {
  from {stroke-dashoffset: 0%;}
  from {stroke-dashoffset: 100%;}

}

.treeDraw{
  text-align: center;
  .btns{
    height:30px;
    line-height: 40px;
    text-align: center;
  }
  svg{
    border: 1px solid #ddd;
    path.focused{
      stroke-dasharray:10;
      stroke-dashoffset: 0;
      animation: ant 20s linear infinite;
    }
  }
}